Daily records
Page built 2026-10-19
Data as of 2026-10-17
Search
Built 2026-10-19 (19 October 2026)

Leo 6 SW Threshold Days by Year (USC00485525)

18 fixed thresholds counted per year at Leo 6 SW (USC00485525): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Leo 6 SW Thresholds

  • Leo 6 SW: days with 10 mm (0.39 in) or more of precipitation in 86 years, most in 1949 with 13.
  • Leo 6 SW: days with 10 cm (3.9 in) or more of snowfall in 85 years, most in 2009 with 13.
  • Leo 6 SW: days with 25 mm (0.98 in) or more of precipitation in 41 years, most in 1974 with 3.
  • Leo 6 SW: days with 25 cm (9.8 in) or more of snowfall in 32 years, most in 1966 with 3.
  • 18 fixed thresholds have at least one qualifying day at Leo 6 SW.
31 years with a qualifying day
Days at or above 30 C (86 F) per year at Leo 6 SW Days per year at Leo 6 SW with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 73 in 2022. 0204060801931: 411932: 351933: 511934: 231935: 571936: 671937: 351940: 611942: 321943: 451944: 351945: 261946: 401947: 381948: 421949: 312012: 652013: 622014: 632015: 632016: 642017: 702018: 652019: 562020: 722021: 692022: 732023: 392024: 682025: 682026: 6219311935194219462012201620202024
Days per year at Leo 6 SW with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 73 in 2022.
Days at or above 30 C (86 F) per year at Leo 6 SW
YearDaysDecade average
19314144.1
19323544.1
19335144.1
19342344.1
19355744.1
19366744.1
19373544.1
19406138.9
19423238.9
19434538.9
19443538.9
19452638.9
19464038.9
19473838.9
19484238.9
19493138.9
20126563.5
20136263.5
20146363.5
20156363.5
20166463.5
20177063.5
20186563.5
20195663.5
20207264.4
20216964.4
20227364.4
20233964.4
20246864.4
20256864.4
20266264.4
First to last qualifying date each year at Leo 6 SW For each year, a bar from the first to the last day at Leo 6 SW meeting 30 C (86 F). 1931: 15 June 1931 to 8 September 19311932: 22 June 1932 to 23 August 19321933: 1 June 1933 to 6 September 19331934: 27 May 1934 to 4 August 19341935: 12 June 1935 to 19 September 19351936: 30 May 1936 to 20 September 19361937: 21 June 1937 to 20 September 19371940: 2 June 1940 to 8 September 19401942: 3 July 1942 to 27 August 19421943: 21 June 1943 to 28 August 19431944: 24 June 1944 to 23 August 19441945: 14 July 1945 to 5 September 19451946: 4 June 1946 to 14 September 19461947: 2 July 1947 to 6 September 19471948: 17 May 1948 to 15 September 19481949: 21 June 1949 to 22 August 19492012: 2 June 2012 to 6 September 20122013: 9 June 2013 to 7 September 20132014: 27 May 2014 to 26 September 20142015: 31 May 2015 to 27 September 20152016: 7 June 2016 to 20 September 20162017: 30 May 2017 to 12 September 20172018: 26 May 2018 to 18 September 20182019: 26 June 2019 to 9 September 20192020: 29 May 2020 to 24 September 20202021: 4 June 2021 to 10 September 20212022: 10 June 2022 to 8 September 20222023: 3 July 2023 to 8 September 20232024: 5 June 2024 to 29 September 20242025: 1 June 2025 to 12 September 20252026: 14 May 2026 to 28 August 202619311935194219462012201620202024JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Leo 6 SW meeting 30 C (86 F).
First to last qualifying date each year at Leo 6 SW
YearFirst dateLast date
19311931-06-151931-09-08
19321932-06-221932-08-23
19331933-06-011933-09-06
19341934-05-271934-08-04
19351935-06-121935-09-19
19361936-05-301936-09-20
19371937-06-211937-09-20
19401940-06-021940-09-08
19421942-07-031942-08-27
19431943-06-211943-08-28
19441944-06-241944-08-23
19451945-07-141945-09-05
19461946-06-041946-09-14
19471947-07-021947-09-06
19481948-05-171948-09-15
19491949-06-211949-08-22
20122012-06-022012-09-06
20132013-06-092013-09-07
20142014-05-272014-09-26
20152015-05-312015-09-27
20162016-06-072016-09-20
20172017-05-302017-09-12
20182018-05-262018-09-18
20192019-06-262019-09-09
20202020-05-292020-09-24
20212021-06-042021-09-10
20222022-06-102022-09-08
20232023-07-032023-09-08
20242024-06-052024-09-29
20252025-06-012025-09-12
20262026-05-142026-08-28

Every Fixed Threshold

Fixed thresholds at Leo 6 SW
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days3173202262
35 C (95 F): Days2327201421
90 F (32.2 C): Days3147201445
100 F (37.8 C): Days4520143
0 C (32 F): Ice days (max316119327
0 C (32 F): Frost days (min31211194476
-10 C (14 F): Days with min3175194418
-20 C (-4 F): Days with min312020131
-30 C (-22 F): Days with min20519431
-40 C (-40 F): Days with min1120141
20 C (68 F): Tropical nights (min10520201
25 C (77 F): Days with min1120221
10 mm (0.39 in): Days with 10 mm or more rain861319495
25 mm (0.98 in): Days with 25 mm or more rain41319741
50 mm (1.97 in): Days with 50 mm or more rain4119461
10 cm (3.9 in): Days with 10 cm or more snowfall851320091
25 cm (9.8 in): Days with 25 cm or more snowfall32319661
50 cm (19.7 in): Days with 50 cm or more snowfall10n/a2

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1931.

Download the Data

  • Data for Leo 6 SW threshold days by year: CSV or JSON. Field meanings are on the data page.

Source: NOAA National Centers for Environmental Information, Global Historical Climatology Network Daily (GHCN-Daily). Records are computed by World Extreme Weather Monitor and are not official NOAA products. (US Government open data (NOAA NCEI)) Data as of 2026-10-17 (17 October 2026). Threshold counts are computed by this site.

Data as of . Last revised (2026-10-17).